Path Traversal in Impresscms

CVE-2022-24977

ImpressCMS before 1.4.2 allows unauthenticated remote code execution via ...../// directory traversal in origName or imageName, leading to unsafe interaction with the CKEditor processImage.php script. The payload may be placed in PHP_SESSION_UPLOAD_PROGRESS when the PHP installation supports upload_progress.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.069 (93.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-24977?
CVE-2022-24977 is a critical-severity vulnerability in Impresscms, classified under Path Traversal. CVSS score: 9.8/10. Published 2022-02-14.
How severe is CVE-2022-24977?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-24977 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.